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学科主题: 高分子化学
题名: Studies on synthesis and physical characterization of biodegradable aliphatic poly(butylene succinate-co-ε-caprolactone)s
其他题名: 生物降解性脂肪族丁二醇丁二醇与ε-已内酯共聚物的合成与物理表征的研究
作者: Cao AM(曹阿民) ; Gang CX(冈村贤) ; 石黑智惠子 ; 中山和郎 ; 井上义天 ; 增田隆志
通讯作者: 曹阿民
刊名: Polymer
发表日期: 2002-01-01
卷: 43, 期:3, 页:671-679
收录类别: SCI
部门归属: 中国科学院上海有机化学研究所高分子材料研究室; 日本理科大学; 日本产业综合技术所
英文摘要: Biodegradabel aliphatic poly(butylene succinate-coε-caprolactone) were synthesized through a polycondensation with titanum tetraisoproxide (TTP), diphenylphosphinic acid(DPPA) and stannous octoate (Sn(Oct)^2) as the novel co-catalysts. By means of gel permeation chromatography(GPC) and nuclear magnetic resonance spectrometer (NMR), it was revealed that the PBSC copolyesters had number average molecuar weights Mn higher than 5.0×10~4, and that the polycondensations were in well agreement with a random copolymerization model. With respect to thermal properties, meliting point, hear of fusion and glass transition temperature were fund to decrease with increasing the CL/BS unit molar ratio up to 0.92, while thermal stability monotonously decreased with increasing the CL unit population spanning the whole CL unit composition. X-ray diffraction patterns indicated that the BS-rich/CL-rich PBSC organized the corresponding PBS/PCL-type of crystal structure. Moreover, it is worth to note the the PBS copolymerized with an appropriate amount of the minor CL component could significantly increase the fracture elongation of the resultant PBDC, and that mechanical properties of PBSC strongly depended on its CL unit population. In addition, biodegradabilities of PBSCs as well as PBS and PCL were tentatively assessed in a kind of compost soil, and the results suggest that chain flexibility may play an important role in the biodegradation as another factor besides the specificity of unit chemical structure and morphology.
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/22872
Appears in Collections:高分子材料研究室_期刊论文

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Recommended Citation:
Cao AM,Gang CX,石黑智惠子,et al. Studies on synthesis and physical characterization of biodegradable aliphatic poly(butylene succinate-co-ε-caprolactone)s[J]. Polymer,2002,43(3):671-679.
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